Rheumatology
Factors associated with time to diagnosis from symptom onset in patients with early rheumatoid arthritis
Soo-Kyoung Cho, Dam Kim, Soyoung Won, Jiyoung Lee, Chan-Bum Choi, Jung-Yoon Choe, Seung-Jae Hong, Jae-Bum Jun, Tae-Hwan Kim, Eunmi Koh, Hye-Soon Lee, Jisoo Lee, Dae-Hyun Yoo, Bo Young Yoon, Sang-Cheol Bae, Yoon-Kyoung Sung; Korean Observational Study Network for Arthritis (KORONA) Investigators
Korean J Intern Med. 2019;34(4):910-916. Published online December 15, 2017
Background/Aims: To identify the factors associated with time to diagnosis after symptom onset in patients with early rheumatoid arthritis (RA).
Methods: Early RA patients with ≤ 1 year of disease duration in the KORean Observational study Network for Arthritis (KORONA) database were included in t..
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Risk of malignancy in patients with rheumatoid arthritis after anti-tumor necrosis factor therapy: results from Korean National Health Insurance claims data
Seung Min Jung, Seung-Ki Kwok, Ji Hyeon Ju, Yong-Beom Park, Sung-Hwan Park
Korean J Intern Med. 2019;34(3):669-677. Published online November 29, 2017
Background/Aims: Inhibition of tumor necrosis factor (TNF) is an effective treatment for rheumatoid arthritis (RA), but safety concerns about malignancy remain. The aim of this study was to evaluate cancer risk in RA patients treated with TNF inhibitors (TNFi), based on Korean Nationwide Health Insu..
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Magnetic resonance imaging-assessed synovial and bone changes in hand and wrist joints of rheumatoid arthritis patients
Kyung-Ann Lee, Sang-Ho Min, Tae-Hyung Kim, Sang-Heon Lee, Hae-Rim Kim
Korean J Intern Med. 2019;34(3):651-659. Published online November 24, 2017
Background/Aims: Magnetic resonance imaging (MRI) is a sensitive and useful method for the detection of synovitis and joint destruction in rheumatoid arthritis (RA) patients. However, the patterns of MRI-detected bone erosion, bone marrow edema (BME), synovitis, and tenosynovitis have received insuf..
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Clinical characteristics associated with occurrence and poor prognosis of interstitial lung disease in rheumatoid arthritis
Ji Ae Yang, Jeong Seok Lee, Jin Kyun Park, Eun Bong Lee, Yeong Wook Song, Eun Young Lee
Korean J Intern Med. 2019;34(2):434-441. Published online March 28, 2017
Background/Aims: To analyze clinical characteristics of interstitial lung disease (ILD) associated with rheumatoid arthritis (RA), especially in patients with poor prognosis.
Methods: Seventy-seven RA patients with ILD and 231 age, sex, and disease duration-matched RA patients without ILD were enr..
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N-acetyl-l-cysteine controls osteoclastogenesis through regulating Th17 differentiation and RANKL in rheumatoid arthritis
[corrected-article]
Hae-Rim Kim, Kyoung-Woon Kim, Bo-Mi Kim, Kyung-Ann Lee, Sang-Heon Lee
Korean J Intern Med. 2019;34(1):210-219. Published online March 13, 2017
Background/Aims: This study aimed to determine the regulatory role of N-acetyl-l-cysteine (NAC), an antioxidant, in interleukin 17 (IL-17)-induced osteoclast differentiation in rheumatoid arthritis (RA).
Methods: After RA synovial fibroblasts were stimulated by IL-17, the expression and pro..
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Rapid onset of efficacy predicts response to therapy with certolizumab plus methotrexate in patients with active rheumatoid arthritis
Young Mo Kang, Young-Eun Park, Won Park, Jung-Yoon Choe, Chul-Soo Cho, Seung-Cheol Shim, Sang Cheol Bae, Chang-Hee Suh, Hoon-Suk Cha, Eun Mi Koh, Yeong-Wook Song, Bin Yoo, Shin-Seok Lee, Min-Chan Park, Sang-Heon Lee, Catherine Arendt, Willem Koetse, Soo-Kon Lee
Korean J Intern Med. 2018;33(6):1224-1233. Published online January 5, 2018
Background/Aims: The objective of this study was to determine the efficacy and safety of add-on therapy with certolizumab pegol (CZP) in active rheumatoid arthritis (RA) patients of a single ethnicity.
Methods: In this 24-week, phase 3, randomized, double-blind, placebo-controlled trial, eligible p..
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Isoniazid treatment for latent tuberculosis infection is tolerable for rheumatoid arthritis patients receiving tumor necrosis factor inhibitor therapy
Yoon-Kyoung Sung, Soo-Kyung Cho, Dam Kim, Soyoung Won, Chan-Bum Choi, Tae-Hwan Kim, Jae-Bum Jun, Dae-Hyun Yoo, Sang-Cheol Bae
Korean J Intern Med. 2018;33(5):1016-1024. Published online March 13, 2017
Background/Aims: To evaluate the impact of isoniazid (INH) treatment for latent tuberculosis infection (LTBI) on the development of liver function test (LFT) abnormality and the persistence of tumor necrosis factor (TNF) inhibitors in rheumatoid arthritis (RA) patients.
Methods: We retrospectively ..
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Grape seed proanthocyanidin extract ameliorates murine autoimmune arthritis through regulation of TLR4/MyD88/NF-κB signaling pathway
Sang-Hyon Kim, Jihye Bang, Chang-Nam Son, Won-Ki Baek, Ji-Min Kim
Korean J Intern Med. 2018;33(3):612-621. Published online June 3, 2016
Background/Aims: Grape seed proanthocyanidin extract (GSPE) has been reported to have a beneficial effect on regulating inf lammation. However, the anti-inflammatory mechanism of GSPE remains unclear. The aim of this study was to verify the influence of GSPE on the Toll-like receptor 4 (TLR4)-mediat..
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Medication nonadherence in Korean patients with rheumatoid arthritis: the importance of belief
about medication and illness perception
Young Sun Suh, Yun-Hong Cheon, Hyun-Ok Kim, Rock-Bum Kim, Ki Soo Park, Sang-Hyon Kim, Seung-Geun Lee, Eun-Kyoung Park, Jian Hur, Sang-Il Lee
Korean J Intern Med. 2018;33(1):203-210. Published online April 20, 2017
Background/Aims: To investigate medication nonadherence in Korean patients with rheumatoid arthritis (RA) and analyze related factors.
Methods: A total of 292 patients with RA participated in this study. Medication nonadherence, intentional or unintentional, was gauged via self-reported questionnai..
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Drug survival and the associated predictors in South Korean patients with rheumatoid arthritis
receiving tacrolimus
Eun-Young Park, Seung-Geun Lee, Eun-Kyoung Park, Dong-Wan Koo, Ji-Heh Park, Geun-Tae Kim, Hee-Sang Tag, Hyun-Ok Kim, Young-Sun Suh
Korean J Intern Med. 2018;33(1):193-202. Published online April 6, 2016
Background/Aims: To investigate the drug survival rate of tacrolimus (TAC) and analyze the potential predictors of this rate in patients with rheumatoid arthritis (RA) in routine care.
Methods: In this retrospective longitudinal study, we enrolled 102 RA patients treated with TAC from April 2009 to..
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Nontuberculous mycobacterial infection in rheumatoid arthritis patients: a single-center experience in South Korea
[corrected-article]
Doo-Ho Lim, Yong-Gil Kim, Tae Sun Shim, Kyung-Wook Jo, Byeongzu Ghang, Soo Min Ahn, Seokchan Hong, Chang-Keun Lee, Bin Yoo
Korean J Intern Med. 2017;32(6):1090-1097. Published online January 6, 2017
Background/Aims: Nontuberculous mycobacteria (NTM) infection has been increasing worldwide in both general population and immunocompromised patients, which has also been reported in rheumatoid arthritis (RA) patients. This study aimed to identify the incidence and clinical characteristics of NTM inf..
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Impact of early diagnosis on functional disability in rheumatoid arthritis
Dam Kim, Chan-Bum Choi, Jiyoung Lee, Soo-Kyung Cho, Soyoung Won, So-Young Bang, Hoon-Suk Cha, Jung-Yoon Choe, Won Tae Chung, Seung-Jae Hong, Jae-Bum Jun, Young Ok Jung, Jinseok Kim, Seong-Kyu Kim, Tae-Hwan Kim, Tae-Jong Kim, Eunmi Koh, Hye-Soon Lee, Jaejoon Lee, Jisoo Lee, Sang-Heon Lee, Shin-Seok Lee, Sung Won Lee, Seung-Cheol Shim, Dae-Hyun Yoo, Bo Young Yoon, Yoon-Kyoung Sung, Sang-Cheol Bae; KORONA investigators
Korean J Intern Med. 2017;32(4):738-746. Published online September 13, 2016
Background/Aims: To determine whether early diagnosis is beneficial for functional status of various disease durations in rheumatoid arthritis (RA) patients.
Methods: A total of 4,540 RA patients were enrolled as part of the Korean Observational Study Network for Arthritis (KORONA). We defined earl..
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Comparative efficacy of biological agents in methotrexate-refractory rheumatoid arthritis patients: a Bayesian mixed treatment comparison
Miyoung Choi, Min Kyung Hyun, Seongmi Choi, Ha Jin Tchoe, Sung Yeon Lee, Kyeong Min Son, Min-Jeong Kim, Young Ok Jung, Hyun Ah Kim
Korean J Intern Med. 2017;32(3):536-547. Published online June 2, 2016
Background/Aims: Biological agents (biologics) targeting proinflammatory signaling have emerged as an important treatment option in rheumatoid arthritis (RA). Despite the clinical effectiveness of biologics for patients with RA who do not respond to ‘traditional’ disease-modifying anti-rheumatic ..
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Periodontitis is associated with rheumatoid arthritis: a study with longstanding rheumatoid arthritis patients in Korea
In Ah Choi, Jin-Hee Kim, Yong Mi Kim, Joo Youn Lee, Kyung Hwa Kim, Eun Young Lee, Eun Bong Lee, Yong-Moo Lee, Yeong Wook Song
Korean J Intern Med. 2016;31(5):977-986. Published online March 25, 2016
Background/Aims: A cross-sectional study was undertaken to investigate the association between severity of periodontitis and clinical manifestation of rheumatoid arthritis (RA).
Methods: Two hundred sixty-four RA patients and 88 age- and sex-matched controls underwent dental exam. Additionally, cli..
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Hemato-oncology
Clinical manifestations of autoimmune disease-related non-Hodgkin lymphoma: a Korean single-center, retrospective clinical study
Young-Woo Jeon, Jae-Ho Yoon, Sung-Eun Lee, Ki-Seong Eom, Yoo-Jin Kim, Hee-Je Kim, Seok Lee, Chang-Ki Min, Jong Wook Lee, Woo-Sung Min, Seok-Goo Cho
Korean J Intern Med. 2015;31(5):944-952. Published online July 7, 2016
Background/Aims: Recently, large cohort studies regarding associations between autoimmune disease and lymphomas have been reported in a few Western countries. However, Asian data concerning autoimmune-related lymphomas are limited. Therefore, we evaluated the clinical characteristics and prognostic ..
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Rheumatology
Efficacy and safety of low-dose tacrolimus for active rheumatoid arthritis with an inadequate
response to methotrexate
Won-Seok Lee, Sang-Il Lee, Myeung-Soo Lee, Sung-Il Kim, Shin-Seok Lee, Wan-Hee Yoo
Korean J Intern Med. 2016;31(4):779-787. Published online March 10, 2016
Background/Aims: To determine the efficacy and safety of low-dose tacrolimus in Korean rheumatoid arthritis (RA) subjects with an inadequate response to methotrexate (MTX).
Methods: This was a multicenter, open-label study conducted at five Korean sites. Fifty-six patients with active RA, despite t..
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Macrophage migration inhibitory factor: a potential therapeutic target for rheumatoid arthritis
Kyoung-Woon Kim, Hae-Rim Kim
Korean J Intern Med. 2016;31(4):634-642. Published online May 12, 2016
Macrophage migration inhibitory factor (MIF) is originally identified in the culture medium of activated T lymphocytes as a soluble factor that inhibits the random migration of macrophages. MIF is now recognized as a multipotent cytokine involved in the regulation of immune and inf lammatory respons..
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The specialist physician’s approach to rheumatoid arthritis in South Africa
Frederik C. J. Bester, Fredricka J. Bosch, Barend J. Jansen van Rensburg
Korean J Intern Med. 2016;31(2):219-236. Published online February 26, 2016
Rheumatoid arthritis (RA) is expected to increase in Africa and South Africa. Due to the low numbers of rheumatologists in South Africa, specialist physicians also have to care for patients with RA. Furthermore several new developments have taken place in recent years which improved the management a..
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Current concepts in the management of rheumatoid arthritis
Yoshiya Tanaka
Korean J Intern Med. 2016;31(2):210-218. Published online February 26, 2016
Rheumatoid arthritis (RA) is a systemic autoimmune disease characterized by inflammation and joint destruction that causes significant morbidity and mortality. However, the combined use of methotrexate, a synthetic disease-modifying antirheumatic drug (DMARD), and biologic DMARD has revolutionized t..
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Sleep quality in rheumatoid arthritis, and its association with disease activity in a Korean population
Chang-Nam Son, Go Choi, So-Yeon Lee, Ji-Min Lee, Tae-Han Lee, Hye-Jin Jeong, Chang-Gyu Jung, Ji-Min Kim, Yong-Won Cho, Sang-Hyon Kim
Korean J Intern Med. 2015;30(3):384-390. Published online April 29, 2015
Background/Aims: The aim of this study was to compare the sleep quality between rheumatoid arthritis (RA) patients and healthy controls; and to evaluate the relationship between RA disease activity and sleep quality in Korea.
Methods: A total of 130 RA patients and 67 age- and sex-matched healthy c..
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